Barreiro Carril, María Cruz. “Problems Raised by DAC 6 Concerning Taxpayer’s Rights and Fundamental Freedoms. Particular Reference to DAC 6 Implementation in the Spanish Legal Order”. Challenges of Contemporary Tax Law: Jubilee Book Dedicated to Professor Włodzimierz Nykiel. Volume II, edited by Ziemowit Kukulski and Małgorzata Sęk, Lodz University Press, 2024, pp. 77-91, https://doi.org/10.18778/8331-399-3.08.